Horseradish Root and Sauce - A Tasty and Healthy Condiment
A Flavorful Plant
The horseradish is a flowering plant that has an edible root with a very pungent and flavorful taste. The grated root is a popular condiment and adds a delicious touch to foods. It's generally eaten in small quantities due to its strong taste and its ability to make the eyes water. Even small amounts of the root may have important health benefits, however.
Horseradish has been used since ancient times as both a food and a medicine. It grows in the wild and as a cultivated plant. Grated horseradish root and horseradish sauce are tasty additions to meat, mashed potatoes, vegetables and even fruit. The grated root is mixed with vinegar and salt to make a plain sauce or added to another substance, such as sour cream, to make a creamy sauce.
How did Horseradish Get its Name?
Horseradish is not a radish, despite its name. The word radish comes from the Latin word radix, which means “root”. Two theories attempt to explain why the plant is known as a "horse" radish. When the plant was first discovered in central Europe it was called meerrettich (sea radish) by the German people, since it was an edible root that grew by the sea. It's possible that the name was mispronounced in English as mare radish, which later changed to horseradish. Another theory is that the root was named after horses because it’s so large. The word horse was once used as an adjective to describe big, strong or coarse objects.
Grating, Grinding or Chopping the Root
The intact horseradish root has very little odor. When the root is grated, ground or chopped, however, enzymatic activity causes the release of volatile oils from cells. These oils produce the strong taste and smell of fresh horseradish. It’s advisable to grate or process horseradish near an open window or in an area with good ventilation and to avoid getting the concentrated vapor in the eyes.
As time passes, more and more oils are released from grated horseradish, making the taste of the root stronger and hotter. The addition of vinegar to the root stops the enzymatic activity that produces the oil. A person therefore has some control over the strength of the horseradish. If the vinegar is added soon after grating, the horseradish will be milder than it would be if the vinegar is added later on in the reaction.
How to Make Horseradish Sauce
Where to Find Horseradish
The best flavor and nutritional value can be found in a homemade horseradish sauce. You may be able to find pre-ground roots in your local stores. These are more convenient to use in a sauce recipe than intact roots but may not be as nutritious. Prepared horseradish sauces sometimes contain unhealthy ingredients, such as sugar, artificial flavors and colors, and preservatives. Some brands of sauce are healthier than others, however.
Your local produce store may sell horseradish roots, but in my area I need to go to a specialty market or an organic food store to find the roots. It's also possible to grow horseradish in a garden or a large container. Some gardeners prefer keeping horseradish plants in containers because they can spread aggressively in gardens.
According to the International Horseradish Festival website, the United States produces an estimated twenty-four million pounds of horseradish roots each year. The ground roots produce six million gallons of horseradish sauce.
How to Make a Creamy Sauce
Making Horseradish Sauce at Home
A simple and healthy sauce can be made by removing the skin of a horseradish root, grating the root into fine pieces with a kitchen grater and then mixing the grated horseradish with a little vinegar. Salt can be added if desired. Horseradish sauce is best served right away. When it's stored, its color gradually darkens and its flavor fades.
Horseradish sauce can also be made by placing peeled horseradish pieces in a food processor with about two tablespoons of water. Grind the horseradish into fine pieces, then add two tablespoons of vinegar (and a pinch of salt if you wish) and pulse with the food processor.
If you prefer a creamy horseradish sauce, mix the grated horseradish and vinegar mixture with sour cream or yogurt. Drain the excess liquid if necessary before adding the horseradish to the sour cream. Some people like to add extra ingredients to the sauce, such as garlic, chives, other herbs and pepper. Grated horseradish also goes well with mustard and mayonnaise.
Keep horseradish sauce refrigerated in a sterilized, tightly sealed jar if you don't use it right away. Homemade horseradish sauce containing only the grated root, vinegar and salt should remain in good condition for three to four weeks.
Traditional Uses of Horseradish
Horseradish is a popular addition to mashed potatoes, meats, fish and seafood. It also goes well with root vegetables, such as mashed turnips, rutabagas and parsnips. In some parts of the world horseradish is added to stews, soups, beets and egg dishes. Creamy horseradish sauce is often used as a dip for vegetables. A small amount of horseradish is sometimes added to apples or pears to make a sauce or dessert.
Raw horseradish is rich in flavor. When horseradish is cooked, it loses some of its nutrients, hotness and pungency and becomes sweeter in taste. Like the raw root, however, cooked horseradish adds an interesting flavor to meals.
Horseradish is also added to cocktail sauce, which is used in shrimp cocktails. The sauce is a mixture of ketchup and other substances. In the United States, one of the other substances is generally horseradish.
Horseradish root is often mixed with tomato juice. It can add a bite to both alcoholic and non-alcoholic beverages containing the juice. A traditional Bloody Mary cocktail contains tomato juice, vodka, horseradish and Worcestershire sauce. Other ingredients are often added to the cocktail to make a complex and tasty mixture.
Horseradish root is an important part of a Passover Seder meal. This meal is eaten to commemorate the flight of the Jewish people from slavery in Egypt to a free life in the promised land. Horseradish and the tears that it can produce when it's eaten are symbols of the pain of slavery.
How to Grow Horseradish or Armoracia rusticana
Nutrients in Horseradish Root
Horseradish belongs to the Brassicaceae family of plants, which is also known as the Cruciferae family. The family includes broccoli, cabbage, cauliflower, Brussels sprouts, kale, cress, watercress, radishes, mustard and wasabi as well as horseradish.
Horseradish root is normally eaten in small quantities, which may limit the amount of nutrients that it provides. Even a tablespoon of raw horseradish provides a significant amount of vitamin C, however. Horseradish also contains fiber, folate and smaller amounts of other vitamins and minerals. It's low in fat but is relatively high in sodium compared to other edible roots. Like all plants, it contains no cholesterol.
The phytonutrients in a normal serving of horseradish may be significant, as described below. Unlike nutrients, phytonutrients (or phytochemicals) aren't essential for our survival. They are thought to fight certain diseases, however, and are considered to be important for this reason. Phytonutrients are found only in plants, which is one reason why nutritionists recommend that we include lots of plants in our diet.
The leaves of horseradish plants are edible and are often called horseradish greens. They reportedly have some of the pungency of the root. I love horseradish root, but I've never eaten the leaves.
Harvesting and Using Horseradish from a Garden
Phytonutrients - Glucosinolates and Isothiocyanates
Like other members of the family Brassicaceae, horseradish is thought to have important health benefits. When horseradish is chopped, grated or chewed, the damage to cells causes an enzyme called myrosinase to be released from its storage area inside the cells. This enzyme reacts with chemicals known as glucosinolates to form isothiocyanates, which are present in the volatile oil released from the root's cells. Isothiocyanates are thought to reduce the risk of a person developing cancer.
One of the glucosinolates in horseradish is sinigrin. Myrosinase converts sinigrin to allyl isothiocyanate, the same chemical found in mustard oil. Allyl isothiocyanate is the main contributor to the pungent taste of horseradish and the sensation of heat that it produces. In nature, it helps to repel animals that are attacking the plant. Like other isothiocyanates, allyl isothiocyanate may help to prevent cancer. More research is needed to confirm the actions and benefits of the chemical in our body, however.
Researchers at the University of Illinois have found that horseradish is especially rich in glucosinolates. In fact, they say that it has times times more than the equivalent amount of broccoli. This means that the small quantity of horseradish used as a condiment could provide a significant quantity of glucosinolates. Hopefully similar data will be obtained by other researchers.
Possible Health Benefits of Horseradish
There are many traditional uses of horseradish with respect to health. At the moment, there isn't much scientific evidence to support these uses. This doesn't necessarily mean that they are worthless. It does mean that we should be cautious when we consider the claims, however.
Food amounts of horseradish should be safe for an otherwise healthy person who is trying to treat a relatively minor health problem. An excessive intake of horseradish may not be safe and should be avoided. A doctor should be consulted about major health problems and about minor ones that don't respond to horseradish treatment.
Horseradish has traditionally been used in folk medicine to clear the sinuses and remove mucus from the respiratory passages. It's still used for these purposes today. It has also been used to fight coughs, colds and other infections as well as to treat gastrointestinal problems caused by food poisoning.
The allyl isothiocyanate in horseradish may be antibacterial. The chemical has been found to kill bacteria outside the body and may be useful in food preservation. We don't know if allyl isothiocyanate is also antibacterial inside the human body, however, or if there is a sufficient amount of the chemical in a typical serving of horseradish to be significant.
A Delicious Condiment
Horseradish is a delicious condiment to add to the diet, especially in its simplest form - grated horseradish root mixed with vinegar. Its nutritional and potential health benefits are an added bonus.
It may take you a while to get used to the hot taste if you've never used horseradish before, so start with a tiny amount to begin with. Also remember to be careful if you grate or chop horseradish at home. The fumes can be very irritating. The preparation process is very worthwhile, though. Fresh horseradish is both tasty and healthy.
© 2011 Linda Crampton
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